diff --git a/_posts/02-01-01-Code-Style-Guide.md b/_posts/02-01-01-Code-Style-Guide.md
index 4a3a7cb..50560c3 100644
--- a/_posts/02-01-01-Code-Style-Guide.md
+++ b/_posts/02-01-01-Code-Style-Guide.md
@@ -29,7 +29,7 @@ applications that implement the components can have consistency even when workin
 You can use [PHP_CodeSniffer][phpcs] to check code against any one of these recommendations, and plugins for text
 editors like [Sublime Text 2][st-cs] to be given real time feedback.
 
-You can fix the code layout automatically by using one of the two following tools. One is the [PHP Coding Standards Fixer][phpcsfixer] which has a very well tested codebase. 
+You can fix the code layout automatically by using one of the two following tools. One is the [PHP Coding Standards Fixer][phpcsfixer] which has a very well tested codebase.
 Another option is [php.tools][phptools], which is made popular by the [sublime-phpfmt][sublime-phpfmt] editor plugin. While being newer, it makes great improvements in performance, meaning real-time editor fixing is more fluid.
 
 And you can run phpcs manually from shell:
@@ -46,10 +46,10 @@ readable by all current and future parties who may be working on the codebase.
 
 
 [fig]: http://www.php-fig.org/
-[psr0]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
-[psr1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md
-[psr2]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md
-[psr4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
+[psr0]: http://www.php-fig.org/psr/psr-0/
+[psr1]: http://www.php-fig.org/psr/psr-1/
+[psr2]: http://www.php-fig.org/psr/psr-2/
+[psr4]: http://www.php-fig.org/psr/psr-4/
 [pear-cs]: http://pear.php.net/manual/en/standards.php
 [symfony-cs]: http://symfony.com/doc/current/contributing/code/standards.html
 [phpcs]: http://pear.php.net/package/PHP_CodeSniffer/
diff --git a/_posts/03-03-01-Namespaces.md b/_posts/03-03-01-Namespaces.md
index 4c81d7d..55030aa 100644
--- a/_posts/03-03-01-Namespaces.md
+++ b/_posts/03-03-01-Namespaces.md
@@ -21,10 +21,10 @@ namespace convention to allow plug-and-play code.
 
 In October 2014 the PHP-FIG deprecated the previous autoloading standard: [PSR-0][psr0], which has been replaced with
 [PSR-4][psr4]. Currently both are still perfectly usable and PSR-0 is not going away. As PSR-4 requires PHP 5.3 and
-many PHP 5.2-only projects currently implement PSR-0. Luckily those PHP 5.2-only projects are starting to up their 
+many PHP 5.2-only projects currently implement PSR-0. Luckily those PHP 5.2-only projects are starting to up their
 version requirements, meaning PSR-0 is being used less and less.
 
-If you're going to use an autoloader standard for a new application or package then you almost certainly want 
+If you're going to use an autoloader standard for a new application or package then you almost certainly want
 to look into PSR-4.
 
 * [Read about Namespaces][namespaces]
@@ -33,5 +33,5 @@ to look into PSR-4.
 
 
 [namespaces]: http://php.net/language.namespaces
-[psr0]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
-[psr4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
+[psr0]: http://www.php-fig.org/psr/psr-0/
+[psr4]: http://www.php-fig.org/psr/psr-4/
diff --git a/_posts/07-05-01-Abstraction-Layers.md b/_posts/07-05-01-Abstraction-Layers.md
index 718ee0a..392bf44 100644
--- a/_posts/07-05-01-Abstraction-Layers.md
+++ b/_posts/07-05-01-Abstraction-Layers.md
@@ -26,5 +26,5 @@ installed in any application you like:
 [4]: http://packages.zendframework.com/docs/latest/manual/en/index.html#zend-db
 [6]: https://github.com/auraphp/Aura.Sql
 [7]: http://propelorm.org/
-[psr0]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
-[psr4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
+[psr0]: http://www.php-fig.org/psr/psr-0/
+[psr4]: http://www.php-fig.org/psr/psr-4/